
Originally Posted by
xmguy

Originally Posted by
Raziel36
Anything plugged into the headphone jack should do the trick. I had signed up for and received my free credit/debit card reader from Square. It utilizes the headphone jack. When plugged in, the FM app would work fine, though it's not as good as headphones for picking up a signal, it did work.
Sent from my DROIDX using DroidForums App
Never heard of a setup like that. Why use a credit card reader? Why does a reader come with a headphone plug? Actually any wire connected to the ground or negative will act as an antenna via headphone jack.
Sent from XMGUY's Droid X.
The card reader was designed for Android devices and uses the headphone jack to transmit the card data to the Square app. The reason I used it, was simply because I didn't have headphones with me and wanted to see if it would work for initializing the FM app.
This is the reader I used for this:
Sent from my DROIDX using DroidForums App